§ 26. Mr. LoydenTo ask the Secretary of State for Defence what percentage of hydrographic surveys is undertaken by the Royal Navy's marine surveying section.
§ Mr. HanleyAbout two thirds of the civil programme of nautical charting hydrographic surveys in national waters is carried out by Royal Navy personnel embarked in 151W ships of the Hydrographic Surveying Squadron or in chartered vessels. The Navy has only limited involvement in hydrographic surveys outside national waters.